Arrangements for extracting information from electrical storage circuits



Sept. 25, 1956 E. P. G. WRIGHT ET AL 2,764,750 ARRANGEMENTS FOR EXTRACTING INFORMATION FROM ELECTRICAL STORAGE CIRCUITS Filed Nov. 30, 1950 19 Sheets-Sheet 1 From Compulel Out/et Feedefl EQONVERTER 220 Cedar Contm) COMPOSI 7'01? 22 Trans. lnformgtlon Flow G ant/-01 Leads 229 Tape Mch/nes Inventor; ESMOND P. G. WRIGHT -J0$PH P/CE A tlorney Sept. 25, 1956 'E. P. G. WRIGHT ETAL r 2,764,750

ARRANGEMENTS FOR EXTRACTING INFORMATION FROM ELECTRICAL STORAGE cmcurrs Filed Nov. 30. 1950 19 Sheets-Sheet 2 Invenlor 'E.F.'G'.WRIGHT- JJPICE By A Horney Sept. 25, 1956 E. P. G. WRIGHT EI'AL ARRANGEMENTS FOR EXTRACTING INFORMATION FROM ELECTRICAL STORAGE CIRCUITS Filed Nov. 30, 1950 19 Sheets-Sheet :5

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ARRANGEMENTS FOR EXTRACTING INFORMATION FROM ELECTRICAL STORAGE CIRCUITS Filed Nov. 30, 1950 19 Sheets-Sheet 8 From Decode/ W298-3OO From Ste Pu/se Counter- Numbefl End Reset Inventors ESMO/VD R 6. "HIGH T (JOSEPH RICE Attorney Sept. 25, 1956 E. P. G. WRIGHT ET AL 2,

ARRANGEMENTS FOR EXTRACTING INFORMATION FROM ELECTRICAL STORAGE cmcurrs Filed Nov. 50. 1950 19 SheetS-Sheet 9 F/G. /OA.

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ARRANGEMENTS FOR EXTRACTING INFORMATION FROM ELECTRICAL STORAGE] CIRCUITS Filed Nov. 30, 1950 19 Sheets-Sheet l0 F/G. /O 8.

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ARRANGEMENTS FOR EXTRACTING INFORMATION FROM ELECTRICAL STORAGE CIRCUITS Filed NOV. 30, 1950 19 Sheets-Sheet 13 W444 Ska/Sv 445 PULSES.

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ARRANGEMENTS FOR EXTRACTING INFORMATION FROM ELECTRICAL STQRAGE CIRCUITS Filed NOV. 30. 1950 19 Sheets-Sheet 14 F/ G. /3B.

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ARRANGEMENTS FOR EXTRACTING INFORMATION I FROM ELECTRICAL STORAGE CIRCUITS Filed Nov. 30. 1950 19 Sheets-Sheet l5 W472 W477 W476 W477 RESET Inventor E P. G. WRIGHT- J.R|OE

tlorney Sept. 25, 1956 E. P. G. WRIGHT ETAL 2,764,750

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Attorney Sept. 25, 1956 E. P. G. WRIGHT ETAL 2,764,750

ARRANGEMENTS FOR EXTRACTING INFORMATION FROM ELECTRICAL STORAGE CIRCUITS Filed Nov. 50, 1950 19 Sheets-Sheet l8 m 7.5! Mk Win55 W576 5499 1201; 1- Control :56

Inventor E. P, G, WRIGHT- J. RICE y Attorney Sept. 25, 1956 E. P. G. WRIGHT ETAL 2,764,750

ARRANGEMENTS FOR EXTRACTING INFORMATION 1 FROM ELECTRICAL STORAGE CIRCUITS 7 Filed Nov. 30, 1950 l9 Sheets-Sheet 19 Fran? Fans/miter v 025 cz6 bzb' I 7b C/UTChQS I I n venior offape 77mers LEG WR'GHT Attorney United States Patent C) ARRANGEMENTS FOR EXTRACTING INFORMA- TION FROM ELECTRICAL STORAGE CIRCUITS Elmond Philip Goodwin Wright and Joseph Rice, London, England, nssignors, by mesne assignments, to International Standard Electric Corporation, New York, N. Y., a corporation of Delaware Application November 30, 1950, Serial No. 198,327

Claim priority, application Great Britain December 2, 1949 Claims. (Cl. 340-174) This invention relates to electrical equipment for the recording of information.

When information has to be recorded, and such recording has to be carried through in a definite fashion, it is possible to precede the information with instructions relating to the manner of recording to be followed.

The invention provides electrical equipment for the recording of information comprising receiving means for instructions relating to the manner of recording of information and means, under the control of said receiving means, for recording a plurality of separate items of information each in the same manner following the receipt of a single instruction relating to all said items of information.

The invention also provides electrical equipment for the recording of information comprising receiving means for instructions relating to the manner of recording of information, and means for determining from the receipt of a single instruction whether each of a plurality of following items of information is to be preceded by an instruction individual thereto or whether a plurality of fol lowing items of information is to be preceded by a multiple instruction relating to all of said plurality.

The invention also provides electrical equipment for the recording of information comprising a control circuit operable to set out in the same predetermined manner recordings of different items of information.

The invention will now be described with reference to one embodiment thereof shown in the accompanying drawings, in which:

Fig. 1 shows the schematic circuit diagram of an electrical computer result extraction equipment similar to that described in copending application Ser. No. 198,326, filed November 30, 1950, but modified sothat a single instruction or group of instructions preceding a number of individual results may control the manner of recording them all;

Fig. 2 shows the circuit of a step pulse counter which is a unit of the reconverter in said copending application.

Fig. 3 shows the inlet switch of the same equipment also modified for the same purpose.

Fig. 4 is the number counter circuit which controls the passage of information from the computer to the reconverter.

Fig. 5 is the decoder to which certain of the information from the computer is fed;

Fig. 6 is a block schematic diagram of the arithmetic unit to which the remainder of the information is taken;

Fig. 7 shows the arrangement for controlling the operation of the arithmetic unit which arrangement is dependent on whether the unit is required to deal with decimal or sterling information;

Fig. 8 is the circuit diagram of the sequence control which accomplishes the transfer of information from the reconverter to the compositor, the latter controlling the recording of information;

Fig. 9 the modified reconversion limiter circuit;

2,764,750 Patented Sept. 25, 1956 Fig. 10A is one of the coders in the compositor by means of which reconverted information is coded into a form suitable for recording, and

Fig. 101! is a register which stores the coded information obtained from the Fig. 10A circuit;

Fig. 11 shows the composition control apparatus which sets the composition distributor in accordance with the recording requirements individual to each particular result from the computer;

Fig. 12 shows the modified composition control circuit;

Fig. 13A and 13B together are a circuit diagram of the composition distributor which controls the actual recording (Fig. 13B is to be placed to the right of Fig. 13A);

Fig. 14 is a circuit diagram of a time scale which synchronises various operations in the reconverter and compositor;

Fig. 15 shows the circuit of a multiple instruction store which has been added to the extraction equipment of the above-mentioned copending application;

Fig. 16 shows parts of the transmitter circuit which transfers the information to be recorded from the register to the recording head of the magnetic tape machine;

Fig. 17 shows different parts of the transmitter circuit which transfers the information to be recorded from the register to the recording head of the magnetic tape machine;

Fig. 18 shows the output reader which scans the information transferred from the register and controls certain operations therein;

Fig. 19 is the discharge tube circuit portion of the tape machine distributor which controls the passage of information to an appropriate tape machine;

Fig. 20 is the relay circuit portion of the same distributor shown in Fig. 19;

Fig. 21 is the relay contact diagram relating to the supply of power to the various tape machine motors;

Fig. 22 shows the relay contact arrangement over which information is transferred to the tape machine in use;

Fig. 23 shows the relay circuit for energizing the timing mechanisms of the different tape machines in turn;

Fig. 24 shows the "ready state indication system for the tape machines.

Although the embodiment of the invention which has been described includes conversion between different code forms, the invention is not limited to systems in which such conversion is required.

GENERAL DESCRIPTION The arrangement shown in Fig. 1 includes two main items of equipment. These are the reconverter and the compositor each of these comprises a number of circuits all of which can be considered individually and the block schematic of Fig. 1 shows their arrangement. It will be remembered that information from the calculator is fed via one or other of its outlets to a corresponding pair of output annex tubes. From there the information is passed to an outlet feeder capable of storing one long number, that is, 36 binary elements. The outlet feeder is indicated at, the top left hand side of Fig. 1. Besides this one connection to the calculator proper there is another lead over which step pulses are fed from the calculator to the reconverter. This lead is shown at 201. Four control leads, 202-205 pass from the reconverter and the compositor to the calculator. The purpose of these leads will become clear in the following general description.

The information emitted from the calculator is in the form of binary elements, the presence or absence of a pulse at any time position denoting respectively the presence or absence of an element, as has already been stated the information passed is in the form of first a composi- 

